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We have fabricated gold waveguides with a range of lengths and widths on a lithium niobate substrate, using electron beam lithography and thermal deposition of gold. Subsequent measurements of the power transmitted through waveguides of different lengths confirms the expected exponential attenuation, with a propagation length of approximately \um{5}.

A series of FDTD simulations of a plasmonic antenna combined with a diamond nanocrystal in a variety of configurations confirm the results of experimental measurements, showing the tunability of the antenna resonance through addition of high refractive index material in regions of enhanced field strength.

I have acquainted myself with numerical simulation of structures, their fabrication through both electron beam lithography combined with thermal deposition, and chemical synthesis followed by focussed ion beam milling, and optical measurements on the finished products. 
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